2 ms·
This is scary, but also seems still fairly limited. FTA: “PredictWise harvested location data from tens of millions of US cellphones during the initial Covid l
by Someone 4y ago
This is scary, but also seems still fairly limited.
FTA: “PredictWise harvested location data from tens of millions of US cellphones during the initial Covid lockdown months“
“two billion global positioning system (GPS) pings”
So, that’s, at most, 2 × 10⁹ pings for 10⁷ cellphones, or 200 pings per cellphone, over, say, 2 months. That’s about 3 pings per day per phone.
“high-dimensional data covering over 100 million Americans”
That would make it at most 20 pings per American, on average, so (again assuming 2 months) at most about two a week.
The GSM infrastructure must have way more tracking points about telephone locations (possibly with lower resolution)